From b9943509702ab5de89b4e9be5e3ed96766d0f8be Mon Sep 17 00:00:00 2001 From: Alvie Rahman Date: Fri, 17 Feb 2023 13:27:13 +0000 Subject: [PATCH] fix typo in ac_power.md --- uni/mmme/2051_electromechanical_devices/ac_power.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/uni/mmme/2051_electromechanical_devices/ac_power.md b/uni/mmme/2051_electromechanical_devices/ac_power.md index 4993b74..e77e5fc 100755 --- a/uni/mmme/2051_electromechanical_devices/ac_power.md +++ b/uni/mmme/2051_electromechanical_devices/ac_power.md @@ -26,9 +26,9 @@ $$P = \sqrt{3} V_lI_l\cos\gamma$$ - For loads, this means that the voltage across them are the same, apart from the phase angles: \begin{align*} - v_{1N} = V\cos{2\pi ft} \\ - v_{2N} = V\cos{2\pi ft - \frac{2\pi}{3} \\ - v_{3N} = V\cos{2\pi ft + \frac{2\pi}{3} + v_{1N} = V\cos{2\pi ft} \\ + v_{2N} = V\cos{2\pi ft - \frac{2\pi}{3}} \\ + v_{3N} = V\cos{2\pi ft + \frac{2\pi}{3}} \end{align*} - Balanced loads and sources ensure that line/phase currents have equal magnitudes and that the